An excellent article from IASG helps you to navigate these murky waters if you take heed of the central message for successful speculation…..do not assume a normal distribution.

The key to your long term trading success lies in a simple diagram….the return distribution. It is very wise to become familiar with it, as it plots where the risks of trading lie …..”beware here be dragons”.

https://blog.iasg.com/2019/03/09/non-normal-distributions-assume-tail-risks-are-higher-than-normal-measurements/?utm_source=IASG&utm_campaign=a8ac9f8298-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_43ebaac7c0-a8ac9f8298-232947617